Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
6th Street surfForecast / Liberia / Liberia
48hr Weather and Surf, issued 11 pm Saturday 13 Dec 2025 GMTForecast update in hr min s Forecast update imminent
6th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 6th Street sea temperature is
29.0° C
(Which is slightly warmer than usual)How big are the waves at 6th Street today?
The current surf forecast for 6th Street at 6AM is: 0.3m 16s primary swell from a South-southwest direction and 0.5m 7s secondary swell from a South-southwest direction (forecast issued at 11:00pm December 13). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 1.5ft (0.4m) | 15s |
| Afternoon (14 Dec) | 1.5ft (0.5m) | 15s |
| Evening (14 Dec) | 1.5ft (0.4m) | 16s |
Table - waves today at 6th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 13 | 13 | 14 | 14 | 15 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 26 | 51 | 51 | 52 | 86 | 85 | 126 | 97 | 102 | 102 | 158 | 125 | 136 | 121 | 101 | 136 | 147 | 149 | 113 | 111 | 85 | 129 | 129 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | on | glass | cross- on | cross- on | cross- on | cross- on | cross- on | glass | glass | off | glass | cross- on | cross- on | cross- on | glass | glass | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 2:32AM 1.11 | 3:35PM 0.99 | 3:21AM 1.10 | 4:23PM 1.04 | 4:06AM 1.09 | 5:05PM 1.10 | ||||||||||||||||||
Low Tide / height (m) | 8:00PM 0.51 | 9:02AM 0.34 | 9:02PM 0.51 | 9:46AM 0.30 | 9:57PM 0.50 | 10:25AM 0.27 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 |
 |  | | |  | | |  | | | | | | | | | | | | |  |  | | | |
Rain (mm) | - | 2 | 2 | 3 | 3 | 3 | 1 | - | 1 | 3 | 2 | 1 | 4 | 1 | 1 | - | 1 | 3 | 1 | 3 | 1 | - | - | - |
| Temp. °C | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 23 | 23 | 24 | 23 |
| Feels °C (?) | 30 | 29 | 28 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 31 | 30 | 30 | 29 | 30 | 28 | 28 | 23 | 23 | 26 | 24 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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